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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the purpose of an unmodifiable collection?
💡 Hint: Think about data safety.
Question 2
Easy
How do you create a synchronized list in Java?
💡 Hint: Look for the method that provides thread safety.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What happens if you try to modify an unmodifiable list?
- No change occurs
- An UnsupportedOperationException is thrown
- The list is modified
💡 Hint: Think about the safety net of immutability.
Question 2
Synchronized collections ensure thread safety in collections.
- True
- False
💡 Hint: Recall the purpose of synchronization.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You are developing a multi-threaded application that manages user accounts. Describe how you would use synchronized collections to ensure safe access to account data.
💡 Hint: Consider protection mechanisms during critical operations.
Question 2
Create a scenario where using an unmodifiable collection would prevent a serious bug. Provide code demonstrating this prevention.
💡 Hint: Think of application settings that should remain constant.
Challenge and get performance evaluation